A Proposed Mechanism for the Reaction Cl₂(g)+ CHCl₃(g) $\to$ HCl(g)+ CCl₄(g)in the Atmosphere Is Step 1: Cl₂(g)

question 51

Multiple Choice

A proposed mechanism for the reaction Cl₂(g) + CHCl₃(g) $\to$ HCl(g) + CCl₄(g) in the atmosphere is Step 1: Cl₂(g) $\to$ 2 Cl(g)
(very fast,reversible)
Step 2: Cl(g) + CHCl₃(g) $\to$ HCl(g) + CCl₃(g) (slow)
Step 3: Cl(g) + CCl₃(g) $\to$ CCl₄(g) (fast)
What is the rate law for the overall reaction?

• A)k[Cl₂]
• B)k[Cl₂][CHCl₃]
• C)k[CHCl₃][Cl₂]²
• D)k[CHCl₃][Cl₂]^1/2
• E)k[Cl][CCl₃]

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